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122100022 = 21153104717
BaseRepresentation
bin1110100011100…
…01100100110110
322111202022202001
413101301210312
5222224200042
620041005514
73011555512
oct721614466
9274668661
10122100022
1162a16610
1234a8389a
131c3b0a45
1412305142
15aabcbb7
hex7471936

122100022 has 16 divisors (see below), whose sum is σ = 203571792. Its totient is φ = 54452320.

The previous prime is 122100007. The next prime is 122100029. The reversal of 122100022 is 220001221.

It is a junction number, because it is equal to n+sod(n) for n = 122099981 and 122100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51193 + ... + 53524.

It is an arithmetic number, because the mean of its divisors is an integer number (12723237).

Almost surely, 2122100022 is an apocalyptic number.

122100022 is a deficient number, since it is larger than the sum of its proper divisors (81471770).

122100022 is a wasteful number, since it uses less digits than its factorization.

122100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104783.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 122100022 is about 11049.8878727343. The cubic root of 122100022 is about 496.1030694364.

Adding to 122100022 its reverse (220001221), we get a palindrome (342101243).

The spelling of 122100022 in words is "one hundred twenty-two million, one hundred thousand, twenty-two".

Divisors: 1 2 11 22 53 106 583 1166 104717 209434 1151887 2303774 5550001 11100002 61050011 122100022